CVE-2019-12422 : Vulnerability Insights and Analysis

Apache Shiro before 1.4.2 is vulnerable to a Weak Cookie Vulnerability due to issues in the default 'remember me' configuration.

Understanding CVE-2019-12422

In versions of Apache Shiro prior to 1.4.2, a vulnerability exists in the default 'remember me' configuration, making cookies susceptible to a padding attack.

What is CVE-2019-12422?

Apache Shiro, up to version 1.4.1, is affected by a weakness in the 'remember me' feature, potentially exposing cookies to a padding attack.

The Impact of CVE-2019-12422

Attackers could exploit this vulnerability to launch padding attacks on cookies, compromising user security.

Technical Details of CVE-2019-12422

Apache Shiro's vulnerability lies in its handling of the 'remember me' feature, leaving cookies open to potential attacks.

Vulnerability Description

The issue in Apache Shiro before 1.4.2 allows for the exposure of cookies to padding attacks due to the default 'remember me' configuration.

Affected Systems and Versions

Product: Apache Shiro
Vendor: Apache
Versions Affected: up to 1.4.1

Exploitation Mechanism

Attackers can exploit the weak cookie vulnerability in Apache Shiro by targeting the default 'remember me' configuration.

Mitigation and Prevention

To address CVE-2019-12422, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Upgrade Apache Shiro to version 1.4.2 or later to mitigate the vulnerability.
Disable the 'remember me' feature if not essential for user functionality.

Long-Term Security Practices

Regularly monitor security advisories and updates from Apache for any new vulnerabilities.
Implement secure cookie handling practices to prevent padding attacks.

Patching and Updates

Apply patches and updates provided by Apache to ensure the security of Apache Shiro.